/Engine/Source/Runtime/RenderCore/Public/RendererInterface.h
The number of lights that affect a primitive.
uint32 GetNumDynamicLightsAffectingPrimitive ( const class [FPrimitiveSceneInfo](API\Runtime\Renderer\FPrimitiveSceneInfo) * PrimitiveSceneInfo, const class [FLightCacheInterface](API\Runtime\Engine\FLightCacheInterface) * LCI )